Base | Representation |
---|---|
bin | 101011111001100110… |
… | …110110111100000000 |
3 | 11111200002022022210000 |
4 | 223321212312330000 |
5 | 1233014132324430 |
6 | 33353221440000 |
7 | 3256052113020 |
oct | 537146667400 |
9 | 144602268700 |
10 | 47137386240 |
11 | 18a99909a5a |
12 | 9176270000 |
13 | 45a298bc29 |
14 | 23d248ba80 |
15 | 135d3dce60 |
hex | af99b6f00 |
47137386240 has 720 divisors, whose sum is σ = 194883397632. Its totient is φ = 10655981568.
The previous prime is 47137386239. The next prime is 47137386269. The reversal of 47137386240 is 4268373174.
47137386240 is a `hidden beast` number, since 4 + 7 + 13 + 7 + 3 + 8 + 624 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (720).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 77656017 + ... + 77656623.
Almost surely, 247137386240 is an apocalyptic number.
47137386240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47137386240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97441698816).
47137386240 is an abundant number, since it is smaller than the sum of its proper divisors (147746011392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47137386240 is a wasteful number, since it uses less digits than its factorization.
47137386240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754 (or 731 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
The spelling of 47137386240 in words is "forty-seven billion, one hundred thirty-seven million, three hundred eighty-six thousand, two hundred forty".
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